Detections
Analytics
GitLab 18.4 < 18.4.3 / 18.5 < 18.5.1 (CVE-2025-6601)
low Nessus Plugin ID 271496
Language:
Synopsis
The version of GitLab installed on the remote host is affected by a vulnerability.Description
The version of GitLab installed on the remote host is affected by a vulnerability, as follows:- Gitlab reports: Improper access control issue in runner API impacts GitLab EE Denial of service issue in event collection impacts GitLab CE/EE Denial of service issue in JSON validation impacts GitLab CE/EE Denial of service issue in upload impacts GitLab CE/EE Incorrect Authorization issue in pipeline builds impacts GitLab CE Business logic error issue in group memberships impacts GitLab EE Missing authorization issue in quick actions impacts GitLab EE (CVE-2025-6601)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Upgrade to GitLab version 18.4.3, 18.5.1 or later.See Also
https://gitlab.com/gitlab-org/gitlab/-/issues/551267
https://hackerone.com/reports/3209641
Plugin Details
Severity: Low
ID: 271496
File Name: gitlab_cve-2025-6601.nasl
Version: 1.1
Type: Combined
Agent: unix
Family: CGI abuses
Published: 10/26/2025
Updated: 10/26/2025
Configuration: Enable thorough checks (optional)
Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus
Risk Information
VPR
Risk Factor: Low
Score: 3
Percentile: 23.62
CVSS v2
Risk Factor: Low
Base Score: 3.3
Temporal Score: 2.4
Vector: CVSS2#AV:N/AC:L/Au:M/C:N/I:P/A:N
CVSS Score Source: CVE-2025-6601
CVSS v3
Risk Factor: Low
Base Score: 2.7
Temporal Score: 2.4
Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/a:gitlab:gitlab
Required KB Items: installed_sw/GitLab
Exploit Ease: No known exploits are available
Patch Publication Date: 10/27/2025
Vulnerability Publication Date: 10/22/2025
Reference Information
CVE: CVE-2025-6601